/Engine/Source/Editor/EditorConfig/Public/JsonConfig.h
These are specializations for arithmetic and string arrays these could be templated with enable-ifs, but it ended up being more lines of incomprehensible template SFINAE than this clear list of types is
bool TryGetArray ( const [FJsonPath](API\Editor\EditorConfig\FJsonPath) & Path, [TArray](API\Runtime\Core\Containers\TArray)< bool > & OutArray ) const